satellite drifter technology dr. sergey motyzhev

29
Satellite Drifter Technology Dr. Sergey Motyzhev

Upload: chiko

Post on 05-Feb-2016

75 views

Category:

Documents


0 download

DESCRIPTION

Satellite Drifter Technology Dr. Sergey Motyzhev. Entity of the Drifter Technology. Oceanography Sea currents Heat transfer Ecohydrocontrol Water exchange Modeling. Hydrometeorology Weather prognosis Climate variability Maritime safety Fishing Applied goals. Data applications - PowerPoint PPT Presentation

TRANSCRIPT

Page 1: Satellite Drifter Technology Dr. Sergey Motyzhev

Satellite Drifter Technology Dr. Sergey Motyzhev

Page 2: Satellite Drifter Technology Dr. Sergey Motyzhev

Entity of the Drifter TechnologyMeasurable Parameters

Speed and direction of currentsSea surface temperature

Vertical temperature profilesAir temperature

Air pressureSea surface waves

Speed and velocity of wind

OceanographySea currents

Heat transfer

Ecohydrocontrol

Water exchange

Modeling

HydrometeorologyWeather prognosis

Climate variability

Maritime safety

Fishing

Applied goals

Data applications

International oceanographic scientific programs

Weather forecasting

Climate variability

Black Sea Buoy Program

Page 3: Satellite Drifter Technology Dr. Sergey Motyzhev

Components of the Global Observational System

Tide Gauge Network 45 % complete 3˚x3˚ Argo Profiling Float Array 25% complete 5˚x5˚ Surface Drifting Buoy Array 35 % complete Moored Buoy Existing Planned Ocean Reference Station Existing Planned High Resolution XBT and Flux Line Existing Planned Frequently Repeated XBT Line Existing Planned Carbon Inventory & Deep Ocean Line Global Survey @ 10 years

Sea Surface Temperature, Sea Surface Height, Surface Vector Wind, and Ocean Color from Space

2002 2010

Page 4: Satellite Drifter Technology Dr. Sergey Motyzhev

WOCE SVP-B Drifting buoy

Surface float

Revision 2 – May 2005

Tether

Drogue

Polyurethane

carrotsMain differences between this

and past kind of buoys• 31-34 cm surface float• Smaller of drogue diameter and height

Page 5: Satellite Drifter Technology Dr. Sergey Motyzhev

Creation of drifter networks Areas of interests of Action Groups

Page 6: Satellite Drifter Technology Dr. Sergey Motyzhev

ProjectE-SURFMAR

Page 7: Satellite Drifter Technology Dr. Sergey Motyzhev

Black Sea Buoy Program82 drifters were deployed from 1999 to 2007

Page 8: Satellite Drifter Technology Dr. Sergey Motyzhev

Ship deployments of drifters in the Black Sea

Black Sea Buoy Program

Yacht "Petr Veliky" Scientific boat Akademik

Commercial boat “Sevastopol-1”

A drifter after deployment

Page 9: Satellite Drifter Technology Dr. Sergey Motyzhev

Black Sea Buoy Program

Oceanography Hydrometeorology

1. Circulation

2. Heat transfer

3. Pollutions

4. Water exchange

5. Modeling

1. Weather forecasting

2. Maritime safety

3. Climate variability

4. Applied problems

Goals

Calibration and validation of the remote sensing observations

Page 10: Satellite Drifter Technology Dr. Sergey Motyzhev

Main results of the Black Sea drifter study

Investigation of mesoscale processes

Page 11: Satellite Drifter Technology Dr. Sergey Motyzhev

Main results of the Black Sea drifter study

Sevastopol anticyclone

Page 12: Satellite Drifter Technology Dr. Sergey Motyzhev

Батумский вихрь

Main results of the Black Sea drifter study

Batumi vorticity

Page 13: Satellite Drifter Technology Dr. Sergey Motyzhev

Main results of the Black Sea drifter study

Increasing of space-time resolution of measurements

Page 14: Satellite Drifter Technology Dr. Sergey Motyzhev

15м

35м

60м

80м

10м

12м

15м

20м

25м

30м

35м

40м

45м

50м

55м

60м

65м

70м

75м

80м

T e m p e r a t u r e s e n s o r s

T e m p e r a t u r e s e n s o r s

D e p t h s e n s o r s

Evaluation of SVP-BTC drifter with 80-m temperature chain

80-m SVP-BTC in comparison with 60-m SVP-BTC

16 temperature sensors

Depth sensor at the end of chain

3 additional depth sensors at 15, 35, 60m

Page 15: Satellite Drifter Technology Dr. Sergey Motyzhev

Temperature sensors

Calibrated Temperature Range: 0 to 40 СSensors: DS18B20 (Dallas Semiconductor)Accuracy: +/-0,2 СSensitivity: 0,04 СMeasurement Reading Time: 20 s (for 10

sensors)Number of sensors: 10Time Constant: 100 s (in stirred water)Levels: 12,5; 17,0; 22,0; 27,0; 32,0; 37.0; 42,0; 47,0; 52,0; 57,0 m

Depth sensor

Calibrated Pressure Range: 0 to 1,0 MPaSensor: D0,6 (Orlex, Russia)Accuracy (depth measuring): +/-0,5 mSensitivity (depth measuring): 0,1 mMeasurement Reading Time: 3 s

SVP-BTC drifter with a thermistor chain

Page 16: Satellite Drifter Technology Dr. Sergey Motyzhev

Trajectories of buoys(23.08.04 – 14.02.05)

Goals of 2004-2005 experiment in the Black SeaTesting of new drifter and validation of remote sensing data.

SVP-BTC drifter with thermistor chain

Page 17: Satellite Drifter Technology Dr. Sergey Motyzhev

SVP-BTC drifter with thermistor chain

Graphical fragment from

the drifter's sensors

(SVP-BTC ID 49169)

Page 18: Satellite Drifter Technology Dr. Sergey Motyzhev

SVP-BTC60 №49169

SVP-BTC60 №34860

Tracks and data sets during cooling and warming of water inside active layer

SVP-BTC60 №№49169, 34860

SVP-BTC drifter with thermistor chain

Page 19: Satellite Drifter Technology Dr. Sergey Motyzhev

Investigation of the Cold Intermediate Layer in the Black Sea by means of drifter with temperature chain and GPS receiver

Cold intermediate layer

SVP-BTC drifter with thermistor chain

Page 20: Satellite Drifter Technology Dr. Sergey Motyzhev

The results of temperature measurements with 80-m SVP-BTC drifter

Mixed layer

Vertical profile Cold intermediate

layer

Evaluation of SVP-BTC drifter with 80-m temperature chain

Page 21: Satellite Drifter Technology Dr. Sergey Motyzhev

Participation in the International drifter activity

Study of the tropical storm cycles by means of "Smart Buoys"

Page 22: Satellite Drifter Technology Dr. Sergey Motyzhev

The issue of “Smart Buoy” idea

Transformation of buoy for not only datacollection and transfer to user, but also dataanalysis by its own processing possibilities tochange the buoy status or goal of application

Page 23: Satellite Drifter Technology Dr. Sergey Motyzhev

Parameter SVP-BSVP-BT

(Storm buoy)AP resolution

(hPa)0.1 0.1

AP dynamic range (hPa)

850.0 to 1054.7 850.0 to 1054.7

APT dynamic range (hPa)

-25.5 to +25.6 -25.5 to +25.6

Interval between

samples (min)60 30

AP measurement

Standard algorithm

40 AP samples (40 s).

Median of the lowest 3 points.

Median within 1 hPa

“Storm” algorithm

10 standard measurements within 15 minutes with 90 sec interval.

Average of 10 medians

Rank for data transfer

1 5 (0, 1, 2, 3, 4)

SVP-BT drifter (Storm Buoy)-Second generation, 2004

Tz sensor at the end of tether (12.5 m)

Goal: Investigation of the heat processes in the active layer

Page 24: Satellite Drifter Technology Dr. Sergey Motyzhev

SVP-BT (Typhoon ) drifter

Schedule deployment of buoys

9-10 July 2003

40432 4043440432

40429 40430 40433

Page 25: Satellite Drifter Technology Dr. Sergey Motyzhev

SVP-BT drifter (Storm Buoy)-Second generation, 2004

Registration of the hurricane Frances in August-September 2004

Page 26: Satellite Drifter Technology Dr. Sergey Motyzhev

SVP-BT drifter (Storm Buoy)-Second generation, 2004

Registration of the hurricanes Katrina and Rita (August-September 2005)

AdvantageHigh reliability of the AP channel in storm

conditions

Page 27: Satellite Drifter Technology Dr. Sergey Motyzhev

Iridium Pilot Project (2006-2008)

Global coverage

Two-link communication

Real-time communication

Hourly data at round hours

Low cost of traffic

Page 28: Satellite Drifter Technology Dr. Sergey Motyzhev

Coordination with Meteo-France

SVP-B mini

Iridium+GPS

Iridium Pilot Project (2006-2008)

Page 29: Satellite Drifter Technology Dr. Sergey Motyzhev

Iridium Pilot Project (2006-2008)